Saint-Denis-sur-Richelieu weather in September (Quebec, Canada)

Wondering what the weather is like in Saint-Denis-sur-Richelieu during September? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

In September, Saint-Denis-sur-Richelieu tends to experience high temperatures and moderate rainfall. Daytime temperatures are expected to be around 22°C, cooling off to about 10°C at night.

Precipitation

Saint-Denis-sur-Richelieu in September usually receives moderate rainfall, averaging around 100 mm for the month. Looking at the last 30 years, the data shows about 11 days with rain.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 183 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. May, June, July, August and September generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Saint-Denis-sur-Richelieu climate page with graphs.

 

Saint-Denis-sur-Richelieu, monthly averages in September

Min Temperature 10°C  

Max Temperature 22°C  

Chance of Rain 37%  

Precipitation 100 mm  

Rainy days 11 days  

Humidity 60% *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (44 KM, 27 Miles).

Where to go in Canada in September

Find out more about the weather in Canada and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Saint-Denis-sur-Richelieu, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Saint-Denis-sur-Richelieu.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.